GOST 31664-2012 Vegetable oils and animal fats Method for determination of the composition of fatty acids in the position 2 of the triglyceride molecules《植物油和动物脂肪 甘油三酸酯分子2-位中脂肪酸成分的.pdf

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3、e composition of fatty acids in the position 2of the triglyceride molecules1 , 2 (c98 -) . 45 . , , - :- 12 (, , -, );- 20 ( - ) (, );- , , . (c68 -16) (c68 -11) (- ) . - .2 : 12.1.00491 . 12.4.00983 . -. . 45077 . 97681 , , . 260379 . 311877 . 432877 . 547183 . 584873 . 670972 . 828591 . 929374 ( 2

4、43573) . 980584 . 1827072 . 1 316642012 20140101 1830087 . 241042001 . 2533682 . , 316632012 . - 316652012 . - - , 1 , - . - (), () . , , , , .3 , , , 2- .4 - :- , .1530;- , % 80;- , .220c177 15;- , .50c177 2.5 , , 9805, 95 % 50 %. 18300, 95 % 50 %. , , -. 30 60 . 4328, c(NaOH) = 0,1 /3c(NaOH) = 0,5

5、 /3., 1 %. I , - 2 260 . 9293, . . , . 3118 c(HCl) = 6 /3. , 0,1 %, . 450, 220 /3. , 2-2-()-1,3-* 1/3; 8 -. - 0 4 14 .* : (), ().2 316642012 820 /. . . . , . 2603. 6709. .21, 71, 0,2 %. - 1/3 100 3. 5848 18270. 31663 31665. 24104. , (40 c177 0,5) . 13 400 , - . 250 3. . -1(3)500 25336. -12514/23 253

6、36 1 . -25018(22) 25336. -125029/32 25336. -110029/32 25336. 10 3 . . 1 3 . , (200 c180 200) . . (200 c180 200) ., 34 3. ., (103 c177 2) . , 254 . 16 40 ., . 31663 31665.,- .6 6.1 - 5471;- 8285;- , , , 976.3 3166420126.2 3,0%,7.2. 3,0 %, - 7.1, , .6.3 , 70 3 , 30 3 13 98 % .7 7.1 (10 c177 1) 100 3 - . 50 3 , c(NaOH) = 0,5 /3, , 0,5 %. 1 50 3, - . , , - ( ). 25 350 %- , . - . 30 40 , .7.2 15 50 3 . , - , 12 -. 5 25 3 , , , . 100 3. , 30 40 , .7.3 7.3.1 (0,1 c177 0,01) 10 3. , 60 65 . , , 10 . 7.3.27.3.5.7.3.2 20 2 3 -. 0,5 3 0,2 3 . , 40 , (60 c177 2) .